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Finding the Fourth Proportional to 524,087.01, 723,239.82 and 297,732.51

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Solution

The fourth proportional to 524,087.01, 723,239.82 and 297,732.51 is: 410,870.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,087.01 : 723,239.82 = 297,732.51 : x
  2. Step 2: Convert to fraction form
    524,087.01/723,239.82 = 297,732.51/x
  3. Step 3: Cross multiply
    524,087.01x = 723,239.82 × 297,732.51
  4. Step 4: Simplify right side
    524,087.01x = 215,332,006,940.55
  5. Step 5: Solve for x
    x = 215,332,006,940.55/524,087.01
  6. Step 6: Final answer
    x = 410,870.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.